Panic seen in indexer - handleCreateSnapshot - invalid memory address or nil pointer dereference

2024-08-20T15:14:14.576-07:00 [Info] TK StreamBegin INIT_STREAM bucket3:scope_0:coll_0 1013 25586095899995 0 39897 172.23.97.66:8091. HWT [0-0,0].

2024-08-20T15:14:14.667-07:00 [Info] TK StreamBegin INIT_STREAM bucket3:scope_0:coll_0 1017 234124105372185 0 39897 172.23.97.66:8091. HWT [0-0,0].

2024-08-20T15:14:14.734-07:00 [Info] StreamState::adjustNonSnapAlignedVbs

	KeyspaceId bucket3:scope_0:coll_0 StreamId INIT_STREAM Vbuckets [].

2024-08-20T15:14:14.734-07:00 [Info] Timekeeper::repairStream Nothing to repair for Stream INIT_STREAM and KeyspaceId bucket3:scope_0:coll_0

2024-08-20T15:14:15.734-07:00 [Info] timekeeper.repairMissingStreamBegin stream INIT_STREAM done

2024-08-20T15:14:16.755-07:00 [Info] serviceChangeNotifier: received PoolChangeNotification

2024-08-20T15:14:17.471-07:00 [Info] Timekeeper::setSnapshotType INIT_STREAM bucket3:scope_0:coll_0 setting snapshot type as DISK_SNAP due to BuildCompletionTS

2024-08-20T15:14:17.510-07:00 [Info] plasmaSlice::OpenSnapshot SliceId 0 IndexInstId 5570128615443204469 PartitionId 1 Creating New Snapshot SnapshotInfo: count:142937 committed:true

2024-08-20T15:14:17.510-07:00 [Info] StorageMgr::handleCreateSnapshot Added New Snapshot Index: 5570128615443204469 PartitionId: 1 SliceId: 0 Crc64: 3699229607154508880 (SnapshotInfo: count:142937 committed:true) SnapType DISK_SNAP SnapAligned true SnapCreateDur 38.737004ms SnapOpenDur 102.901µs

2024-08-20T15:14:17.510-07:00 [Info] PlasmaSlice Slice Id 0, IndexInstId 5570128615443204469, PartitionId 1 SnapshotId 1 Creating recovery point ...

panic: runtime error: invalid memory address or nil pointer dereference

[signal SIGSEGV: segmentation violation code=0x1 addr=0x338 pc=0x1699dbc]

goroutine 51938175 [running]:

github.com/couchbase/indexing/secondary/indexer.(*storageMgr).createSnapshotForIndex(0xc005792ea0, 0x3, {0xc0e4bd00c0, 0x16}, 0xc03fcfc540?, 0xc073f33bf0, 0xc00888c5a0, 0x4d4d1276c4bb0975, 0xc07fbc6f70, 0xc0295f8e08, ...)

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/storage_manager.go:667 +0x4dc

github.com/couchbase/indexing/secondary/indexer.(*storageMgr).createSnapshotWorker.func1({0xc02b69b6c8, 0x1, 0xc03fcfcba0?})

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/storage_manager.go:466 +0x139

created by github.com/couchbase/indexing/secondary/indexer.(*storageMgr).createSnapshotWorker in goroutine 51938174

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/storage_manager.go:464 +0x165

2024-08-20T15:14:20.789-07:00 [Info] Indexer started with command line: [/opt/couchbase/bin/indexer -adminPort=9100 -scanPort=9101 -httpPort=9102 -streamInitPort=9103 -streamCatchupPort=9104 -streamMaintPort=9105 --httpsPort=19102 --certFile=/opt/couchbase/var/lib/couchbase/config/certs/chain.pem --keyFile=/opt/couchbase/var/lib/couchbase/config/certs/pkey.pem --caFile=/opt/couchbase/var/lib/couchbase/config/certs/ca.pem --clientCertFile=/opt/couchbase/var/lib/couchbase/config/certs/client_chain.pem --clientKeyFile=/opt/couchbase/var/lib/couchbase/config/certs/client_pkey.pem -ipv4=required -ipv6=optional -cluster=127.0.0.1:8091 -storageDir=/data/@2i -diagDir=/opt/couchbase/var/lib/couchbase/crash -logDir=/opt/couchbase/var/lib/couchbase/logs -nodeUUID=79c5524544440aa1c955826238e5ff55 -isEnterprise=true --deploymentModel=default]

2024-08-20T15:14:20.790-07:00 [Info] Indexer DeploymentModel is set to: default

2024-08-20T15:14:20.790-07:00 [Info] Setting ipv6=false

2024-08-20T15:14:20.797-07:00 [Info] Indexer::NewIndexer Status Warmup

2024-08-20T15:14:20.813-07:00 [Info] IndexerSettingsManager: Setting numSliceWriters to 8 cgroup.max_cpu_percent: 800 runtime.NumCPU: 800